Live prediction market odds for Mario Piazzon vs. Guilherme Uriel. Compare prices across Kalshi and Polymarket US and Polymarket and ProphetX.
Mario Piazzon vs. Guilherme Uriel
2026-08-25
Best price · tap to trade
Live prediction market odds for Mario Piazzon vs. Guilherme Uriel. Compare prices across Kalshi and Polymarket US and Polymarket and ProphetX.
2026-08-25
Best price · tap to trade
Traders give Guilherme Uriel about a 59.9% chance. Mario Piazzon follows at 41.6%. Compare prices from Kalshi, Polymarket US, Polymarket, and ProphetX. The largest cross-platform price difference is 3.6 percentage points.
Traders give Guilherme Uriel about a 59.9% chance. Mario Piazzon follows at 41.6%. Compare prices from Kalshi, Polymarket US, Polymarket, and ProphetX. The largest cross-platform price difference is 3.6 percentage points.
Mario Piazzon vs. Guilherme Uriel — UFC fight scheduled for 2026-08-25. Compare live prediction market odds from Kalshi, Polymarket, and more on Prediction Hunt.
KalshiPolymarket USPolymarketProphetXKalshiPolymarketKalshiPolymarketKalshiKalshiGuilherme Uriel
59.9% avg
Official settlement criteria, resolution sources, and edge cases across Kalshi and Polymarket and Polymarket US and ProphetX.
KalshiIf Mario Piazzon wins the Piazzon vs Uriel professional MMA fight originally scheduled for Aug 25, 2026, then the market resolves to Yes.
The following market refers to the Piazzon vs Uriel professional MMA fight originally scheduled for Aug 25, 2026. If this fight is postponed or delayed, the market will remain open and close after the rescheduled fight has finished (within two weeks). If the fight is declared a tie or no contest, the market will resolve to 50/50 for both fighters. If the fight is cancelled or rescheduled to over two weeks away, the market will resolve to a fair price in accordance with the rules. This market and these products have not been endorsed by Zuffa LLC, d/b/a Ultimate Fighting Championship, UFC. Any references to the “UFC,” or any other associated marks are descriptive only, and do not indicate an endorsement of this product or any affiliation between Zuffa and Kalshi.
PolymarketEach market will resolve to "Over" if the fight between Mario Piazzon and Guilherme Uriel at Dana White's Contender Series: Season 10, Week 3, scheduled for August 25, 2026, lasts beyond the listed round threshold. Each market will resolve to "Under" if the fight does not last beyond the listed round threshold. For example: "Over 2.5 Rounds" will resolve "Yes" if the fight continues past the 2:30 mark of Round 3. "Under 2.5 Rounds" will resolve "Yes" if the fight ends before the 2:30 mark of Round 3. If the fight ends exactly at the threshold, it will resolve "50-50." If the bout is not scored, postponed beyond September 8, 2026, or canceled, all options will resolve "50-50." The resolution source for this market will be official information from the UFC.
Polymarket USThis market will settle to the winner of the Mario Piazzon vs Guilherme Uriel UFC fight scheduled for August 25, 2026. If the fight ends in a draw or is declared a no contest, the market will settle to $0.50. If the fight is cancelled before the opening bell, the market will settle to the last fair market price. If the fight is not held within two days of the originally scheduled date, the market will settle to the last fair market price. Outcome sourced from UFC.
ProphetXSports moneyline - resolves based on official game outcome per ProphetX Prediction Rules
The outcomes listed above show how traders are pricing this question. Compare outcome prices from Kalshi, Polymarket US, Polymarket, ProphetX in one place. Each price reflects the market’s implied probability, not a guaranteed result.
The latest available prices are Guilherme Uriel: 60.0¢ on Kalshi, 58.0¢ on Polymarket, 61.4¢ on ProphetX, 60.0¢ on Polymarket US; Mario Piazzon: 41.0¢ on Kalshi, 42.0¢ on Polymarket, 43.6¢ on ProphetX, 40.0¢ on Polymarket US. Prices are quoted in cents per $1 share. Check the venue for executable prices and available liquidity.
The largest price difference shown across venues is 3.6 percentage points. Venues have different traders, liquidity and fees, so their prices can differ. A price gap alone does not establish an executable arbitrage opportunity; compare settlement rules and the actual buy and sell prices.
For example, Guilherme Uriel at 59.9¢ implies about a 59.9% chance. For a standard $1 contract, a share pays $1 if its outcome settles as correct and $0 if it settles as incorrect. A winning share bought at 40¢ earns 60¢ before fees. Check each venue’s settlement rules, fees and eligibility before trading.